3131212214 has 16 divisors (see below), whose sum is σ = 5127404352. Its totient is φ = 1425377088.

The previous prime is 3131212213. The next prime is 3131212229. The reversal of 3131212214 is 4122121313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822974 + ... + 826769.

It is an arithmetic number, because the mean of its divisors is an integer number (320462772).

Almost surely, 2^3131212214 is an apocalyptic number.

3131212214 is a deficient number, since it is larger than the sum of its proper divisors (1996192138).

3131212214 is a wasteful number, since it uses less digits than its factorization.

3131212214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649831.

The product of its digits is 288, while the sum is 20.

The square root of 3131212214 is about 55957.2355821837. The cubic root of 3131212214 is about 1462.9770078087.

Adding to 3131212214 its reverse (4122121313), we get a palindrome (7253333527).

Subtracting 3131212214 from its reverse (4122121313), we obtain a palindrome (990909099).

The spelling of 3131212214 in words is "three billion, one hundred thirty-one million, two hundred twelve thousand, two hundred fourteen".